Density Functional Investigation of Graphene Doped with Amine-Based Organic Molecules

Table 2

Computed Fermi energies, vacuum potentials, work functions, and the type of doping (n or p) effects of PG and adsorbed graphene sheets.

	Fermi energy (eV)	Vacuum potential (eV)	Work function (eV)	Doping effect
PG	−4.49	−0.15	4.34	—
PG+1	−4.42	−0.21	4.21	n
PG+2	−4.58	−0.27	4.31	n
PG+3	−4.52	−0.26	4.26	n